/*
#define _________ }
#define ________ putchar
#define _______ main
#define _(a) ________(a);
#define ______ _______(){
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define _____ __ ___ ____ _________
#include <stdio.h>
_____

*/
#include<stdio.h>

/*
int main()
{
    char * s;
    char * who = "I";
    char * whom = "Coding";
    // 输出到字符串
    sprintf(s, "%s love %s.", who, whom);
    printf("%s\n", s);

    // 输出到设备 支持stdout stderr stdin
    fprintf(stdout, "%s love %s.", who, whom);
    FILE * fp;
    fp = fopen("file.txt", "a");
    // 输出到文件流
    fprintf(fp, "%s love %s.", who, whom);
    fclose(fp);
    return 0;
}
*/
